Amphipora
Amphipora is an extinct genus of sponges, and type genus of the extinct family Amphiporaidae. Species are known from the Silurian to Devonian, over much of the northern hemisphere.
Amphipora is an extinct genus of sponges, and type genus of the extinct family Amphiporaidae. Species are known from the Silurian to Devonian, over much of the northern hemisphere.